Isobaric vapor-liquid equilibrium for binary and ternary mixtures of 2-methyl-2-propanol plus methyl 1,1-dimethylpropyl ether plus 2,2,4-trianethylpentane

New consistent vapor-liquid equilibrium (VLE) data for the binary system me thyl I,1-dimethylpropyl ether (TAME) + 2,2,4-trimethylpentane (isooctane) a nd the ternary system 2-methyl-2-propanol (TBA) + methyl 1,1-dimethylpropyl ether (TAME) + 2,2,4-trimethylpentane (isooctane) are reported at 101.3 kP a. In the binary system, the results indicate a positive deviation from ide ality and no azeotrope is present. The ternary system presents a saddle poi nt azeotrope that can be predicted from binary data. The activity coefficie nts and boiling points of the solutions were correlated with their composit ion by Wilson, UNIQUAC and NRTL equations. (C) 2000 Elsevier Science B.V. A ll rights reserved.